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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...te a Remote debug configuration. When you do so, IntelliJ will give you a set of command line arguments for running the remote JVM -- something like
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
Launch sbt with these arguments and then execute jetty-run. Finally, launc...
How do I check if there are duplicates in a flat list?
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Use set() to remove duplicates if all values are hashable:
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
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增大闪回日志文件的最大大小为50G
SQL> alter system set db_recovery_file_dest_size=50g;
系统已更改。
现在空间使用率为11.1%
SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;
FILE_TYPE PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE
------------...
Alias with variable in bash [duplicate]
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You can add your functions to bashrc with: typeset -f >> ~/.bashrc
– Noam Manos
Nov 27 '18 at 13:28
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How to hide “Showing 1 of N Entries” with the dataTables.js library
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If what you need is to disable the drop down (not to hide the text) then set the lengthChange option to false
$('#datatable').dataTable( {
"lengthChange": false
} );
Works for DataTables 1.10+
Read more in the official documentation
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10 条真心有趣的 Linux 命令 - 创意 - 清泛网 - 专注C/C++及内核技术
...词，rev命令会将你写的东西反转输出到控制台。
# rev <file name>
2.fortune
这个命令没有被默认安装，用apt-get命令安装它，fortune命令会随机显示一些句子
crank@crank-System:~$ sudo apt-get install fortune
利用fortune命令的_s选项，他...
Win7以上操作系统清理系统图标缓存脚本 - 脚本技术 - 清泛IT论坛，有思想、有深度
... 2015-07-21 13:43 编辑
rem 关闭Windows外壳程序explorer
taskkill /f /im explorer.exe
rem 清理系统图标缓存数据库
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"
del /f "%userprofile%\AppData\Local\IconCache.db"
attrib /s /d -h -s -r "%userprofil...
C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...
... bind： .commit(std::bind(&Dog::sayHello, &dog));
// 一种是用 mem_fn： .commit(std::mem_fn(&Dog::sayHello), this)
template<class F, class... Args>
auto commit(F&& f, Args&&... args) ->future<decltype(f(args...))>
{
if (!_run)
throw runtime_error("commit on ThreadPool is stopped.")...
Random row selection in Pandas dataframe
...n integer random_state, equivalent to using np.ramdom.seed. So, instead of setting, for example, np.random.seed = 0, you can:
df = df.sample(n=k, random_state=0)
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How do I wrap text in a UITableViewCell without a custom cell
...t = [UIFont fontWithName:@"Helvetica" size:17.0];
}
You'll notice that I set the number of lines for the label to 0. This lets it use as many lines as it needs.
The next part is to specify how large your UITableViewCell will be, so do that in your heightForRowAtIndexPath function:
- (CGFloat)ta...